Apart from their DNA profile, Cruziohyla frogs are differentiated from Agalychnis species by the unique peptides in thier skin and their morphology – colouration, extended skin to their legs and calcars, and eye colouration (they have two colours to the eye: grey and yellow). The two genera are also separated by a difference in breeding biology. Although both lay their eggs over water, Cruziohyla species lay their’s within or over the hollow water-filled trunks of fallen trees in primary forest. Here is short clip of finding the eggs of Cruziohyla craspedopus in Ecuador (before the two genera were separated).
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